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brainsick

[breyn-sik]
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adjective
  1. insane; crazy; mad.
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Origin of brainsick

before 1000; Middle English brain-seke, Old English brægensēoc. See brain, sick1
Related formsbrain·sick·ly, adverbbrain·sick·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for brainsick

Historical Examples

  • To be brainsick and heartsick in a cruel and unfamiliar world is to be morbid.

    The Book of Susan

    Lee Wilson Dodd

  • And this man, at once unprincipled and brainsick, had in his keeping the understanding and the conscience of the unhappy Monmouth.

  • Posterity can do simply nothing for a man; nor even seem to do much if the man be not brainsick.

    Past and Present

    Thomas Carlyle


British Dictionary definitions for brainsick

brainsick

adjective
  1. relating to or caused by insanity; crazy; mad
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Derived Formsbrainsickly, adverbbrainsickness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012